These are a listing of Regional Educational Service Centers in Connecticut that provide professional development.
- ACES
- ARCTEL-Alternate Route to Certification for Teachers of English Learners
- Pathways to Success for English Learners: A Professional Learning Series
- CES
- CREC
- EASTCONN
- EdAdvance
- LEARN
- SERC- State Education Resource Center
New England:
- REL-NEI– Regional Educational Lab- Northeast and Islands